package com.zjq.smartdevice.events.listeners;

import com.zjq.smartdevice.enums.LoginResutEnum;
import com.zjq.smartdevice.events.MyLoginEvent;
import com.zjq.smartdevice.mapper.SysLogininforMapper;
import com.zjq.smartdevice.mapper.SysUserOnlineMapper;
import com.zjq.smartdevice.pojo.SysLogininfor;
import com.zjq.smartdevice.pojo.SysUserOnline;
import com.zjq.smartdevice.utils.RequestUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.event.EventListener;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Date;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

/**
 * @User zhangjiaqi
 * @Project project
 * @Package com.zjq.smartdevice.events.listeners
 * @Date 2022/3/18 19:34
 */
@Component
//@EnableAsync 开启异步支持，@Async才会有效，这个注解只需要写一次
public class LoginEventListener {

    private SysUserOnlineMapper sysUserOnlineMapper;
    private SysLogininforMapper sysLogininforMapper;

    @Autowired
    public void setSysUserOnlineMapper(SysUserOnlineMapper sysUserOnlineMapper) {
        this.sysUserOnlineMapper = sysUserOnlineMapper;
    }

    @Autowired
    public void setSysLogininforMapper(SysLogininforMapper sysLogininforMapper) {
        this.sysLogininforMapper = sysLogininforMapper;
    }

    Logger logger = LoggerFactory.getLogger(LoginEventListener.class);

    @EventListener
    public void onEvent(MyLoginEvent event) {
        logger.error("收到登录操作的事件了");
        //我们现在只有登录的结果和用户名,还差和请求相关的所有的数据, ip 区域,操作系统等等
        //这些数据都可以从请求中获取
        //请求对象,我们发现我们少了一request对象

        //因为是通过threadlocal获取的数据,所以拿的时候不能放到子线程
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.currentRequestAttributes();
        CompletableFuture.runAsync(() -> {
            HttpServletRequest request = requestAttributes.getRequest();
            String sessionId = request.getSession().getId();//获取到sessionid
            String ip = RequestUtil.getRemoteHost(request);//获取到ip
            Map<String, String> osAndBrowserInfo = RequestUtil.getOsAndBrowserInfo(request);//获取操作系统和浏览器的信息
            String locationByIp = RequestUtil.getLocationByIp(ip);//s取到ip对应的地区
            //保存数据到对象中
            SysLogininfor sysLogininfor = new SysLogininfor();
            sysLogininfor.setIpaddr(ip);
            sysLogininfor.setLoginLocation(locationByIp);
            sysLogininfor.setLoginName(event.getUserName());
            sysLogininfor.setLoginTime(new Date());
            sysLogininfor.setBrowser(osAndBrowserInfo.get("browser"));
            sysLogininfor.setOs(osAndBrowserInfo.get("os"));
            switch (event.getLoginResutEnum()) {
                case SUCCESS:
                    sysLogininfor.setMsg("登录成功");
                    sysLogininfor.setStatus("1");
                    break;
                case FAIL:
                    sysLogininfor.setMsg("登录失败");
                    sysLogininfor.setStatus("0");
                    break;
            }
            System.err.println(sysLogininfor);
            //保存到数据库
            sysLogininforMapper.addLoginLog(sysLogininfor);
            if (event.getLoginResutEnum() == LoginResutEnum.SUCCESS) {
                //在登录成功之后还需要更新在线用户
                //在线用户的数据中我们只有一个数据不知道, sessionid,我们已经拿到request,只需要通过它拿到session id
                SysUserOnline sysUserOnline = new SysUserOnline();
                BeanUtils.copyProperties(sysLogininfor, sysUserOnline);
                sysUserOnline.setSessionId(sessionId);
                sysUserOnline.setExpireTime(30L);
                sysUserOnline.setStartTimestamp(new Date());
                logger.error("在线用户的数据对象" + sysUserOnline);
                //保存到数据库
                //经过测试我们发现下次登录的时候会报错,因为这个用户的数据已经存在了一条,其实只要更新即可
                //更新sessionid和登录时间地点即可
                int count = sysUserOnlineMapper.findByUserName(sysUserOnline.getLoginName());
                if (count == 1) {
                    //更新数据
                    sysUserOnlineMapper.updateSysUserOnline(sysUserOnline);
                } else {
                    //添加数据
                    sysUserOnlineMapper.addSysUserOnline(sysUserOnline);
                }
            }
        });
    }
}
